... specifications :1,MP3 pen has pen,mp3,FM and record functions2,vMusic file formats: MP1,MP2,MP3 ... Classical / Jazz / Pop / Rock / Soft / DBB4, Digital voice record and play function,can be recorded when charging 5,Pen ... write when playing music6,Red LED light and green LED light indicates different state,easy to ... use.7, Housing: full steel and silica gel, stylish and fresh housing 8,Power source: 3 ...